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COM I
MUN C AT I ON REC
E IV E R
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INSTRUCTIONS
M(IDEL DX.I5
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# Listed below are sone of the many types of broadcasts INTRODUCTION on the short wave bands: [hat can be heard -75 The Realistic (Ham) DX Communications Receiver is desig'ned Amateur Radio - "long rvideboth Radio Telepirone to the usual wave" standard broadcast Mobile I Military recei)tion and'short wave' international broadcast recep- (CB) Citizens Band tion. Therefore, it allows the listener to span the oceans (Voice lnt. Short Wave of America, etc. ald travel around the world by me
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SPECIF'ICATIONS OPERATION Ditncnsions 6-5/16 x 14-I/4 x Lt)-17/32 VOLUME Ciockwise of rotation t]le Volurne control (net) pounds Wcight 1 5 knob turns on powcl and increascs volume. - Frequency Rangc 550 to 1600 KC 1.6 to 30 MC Sens itivity (6 3.5prv at 20 MC db signal-to- BAND SE,LECTOR Rotation of the Band Selector knob noisc ratio with 30/s mocl . switches antenna and local oscillator circuits for the var- ) Selectivity dorvn, 14.5 KC; 6 db ious tuning bands. Index numbers are located
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SET TUNING CAPACITOR LOOP CORD SET TUNING CAPACITOR FULLY CLOSEO FULLY CLOSEO FAST E SPRING HERE FASTE G' 3_LooP 3_t/2 coRD TURt{S AROUNO SHAFT LooP coRD 2-t/2-'' TURNS AROUND SHAFT MAIN TUNING DIAL CORD BAND SPREAD DIAL CORD (REAR VIEIV) ( REAR VIEIY) Fig. I Dial Diagram Stringing ,ffit
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s f3- --- c3 I 2-25 I ){ I lc24 7 I reov c4 i L-- 4-40 R7 looK c22 L .olpt I R2 c5 : t.5K 4-40 g.F.o. R22 IK c6 c27 c7 4-40 30 220 sw4 "/ oNB.F.O. .{ I I {as 470 VIB I = lz, eCuea clo t.o R3 roo R4 47K ct5 .OO5Pf VALUES IN UNLESS ALL RESISTOR ARE OHMS A I/2WATT OTHERWISE SPECIFIED, ALL CAPACITOR VALUES ARE IN MICROMICROFARADS UNLESS OTHERWISE SPECIFIED.
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s v2 V3 V4 I28A6 I2AV6 6AQ5A T- I I l rC JI t28 PHONE +7ovj I c26 R23 I.otpt - 4.7K R24 o, IOOK sw 3 .1 ST8Y. REc. I = Rll 2.2M 4 8.F.O. CONT cRl c38 Rt9 rt EO 3004 250 stv .oo5l clD crc 40pl lOpf 350v 350V -75 DX
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cs@ .t@ cq@ ,ri-3-l /ii-\ ,-.@ cs@ ey/ t'_J ceO .o@ 15@ cu@ crz@ L6@ gs@ (O u z qq@ L8@ o Fig. 2 Chassis Layout Diagram
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* A LIC;NMENT INSTITIJC'f IONS Equiptnr:nt rcquirccl : RF Alig'nmcnt (con't.) l. Oscilloscopc with calibratcd vcrtical scalc Z. Final A-lig'nrncnt 2, gcncrator- RF Signal capablc of: ln t-lrc proccdurc, following a signal of thc spcc- a, Oprcratiol fronr 455 KC to 30 MC (ltJ/u ilicd frcqucncy ntoclulat-ctl) is {cd into thc b. Attenuation lpv antenna tcrminal. Thc antcnna and local oscil- below output c. Modulation at I KC wich variablc modula- Iator tuncd circuits arc adjustcd for maximum tr
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PARTS LIST ITEM NO. DESCRIPTION PART NO. NO. DESCRIPTION PART NO. I'TEM (CONT.) TUI]ES CAPACITORS -? I 22opt t20J, VI 6CL8A Z5lr 500V Ceramic t- 2) v2 128A6 00lpf t20fi ZSU 500V Ceramic V3 I2AV6 c33 NOT USED !2ffi V4 6AQsA c34 .001pt Z5U 500V Ceramic r.?c NOT USED c36 .0lpf CMV ZsU 500V Ceramic c37 CMV ZsU 500V Ceramic CAPACITORS .()05 C3B .005 GMV Z5U 5U0V Ceramic -20 -10 -4Oprfl350V -350V -350V -150V 40 c39 40ttf. 250Y Elcctroiytic CI / GMV Z5U 500V Ceratnic Electrclytic c40 .0lpf C2 Z5
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(CON'T.) PARTS LIST DESCRIPTION ITEM NO. DESCRIPTION PART NO. ITEM NO. PART NO. TRANSFORMERS MISCELLANEOUS -685 TI Power Traasformer MI Dial Light #1813 500 -335 lz #1813 Outprt Transformer 301 M2 Dial Light .r? IF 455KC 1655-6 CRl Diode 400PIV 500 MA. ED-3004 -6 T4 IF 455KC 1655 cR2 Diode 400 PM00 MA. ED-3004 Phone J1 Jack I6-2 COILS SPK T Speaker 14826 600-r73-3 Cabinet -340 (Front) LI RF Band #l Panel 5W-787 301 -34 (Back) L2 RF Band #2 l Panel soo-629-2 301 -Tuning) - LJ #3 Knob (Band
